品牌/商标 | TI | 型号/规格 | TPS54231DR |
批号 | 2010+ | 封装 | SOP-8 |
营销方式 | 现货 | 产品性质 | 热销 |
处理信号 | 数模混合信号 | 制作工艺 | 混合集成 |
导电类型 | 双极型 | 集成程度 | 大规模 |
规格尺寸 | 12(mm) | 工作温度 | -40~125(℃) |
静态功耗 | 3(mW) | 类型 | 稳压IC |
英文描述:The TPS54231 is a 2 V, 2 A non-synchronous buck converter that integrates a low RDS(on) high side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode™ feature is automatically activated. Furthermore, the 1 µA shutdown supply current allows the device to be used in battery powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input under-voltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle by cycle current limit scheme, frequency fold back and thermal shutdown protect the device and the load in the event of an overload condition
中文描述:该TPS54231是2五,2非同步降压转换器,集成了低RDS(ON)的高边MOSFET。为了提高轻负载时的效率,脉冲跳跃生态模式™功能会自动启动。此外,1μA关断电源电流使该器件成为电池供电应用。内部斜率补偿电流模式控制简化了外部补偿计算,减少了元件数量,同时允许使用的陶瓷输出电容器。一个电阻分压器方案的输入欠压闭锁滞后。瞬态过电压保护电路限制了启动和瞬态过冲电压条件。按计划周期电流限制,频率折返和热关断周期保护在过载情况时,负载设备
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